Al Summan Metals, a well-regarded manufacturer and supplier based in Dubai, UAE, specializes in producing high-quality **OHNS Round Bars** designed for precision engineering and rigorous industrial applications. These bars are prized for their exceptional hardness, wear resistance, and machinability, while meeting tight dimensional tolerances to deliver dependable performance even under harsh conditions. Al Summan Metals uses advanced manufacturing methods and stringent quality control practices to ensure consistent mechanical properties, a fine surface finish, and outstanding durability. Serving industries such as automotive, tooling, machinery, and engineering, the company supplies OHNS round bars that boost operational efficiency, precision, and reliability for high-performance and critical applications.
**OHNS Round Bars** are primarily manufactured from high-carbon, high-chromium steel, along with a small amount of silicon, manganese, and other alloying elements. This distinctive combination provides them with remarkable hardness, wear resistance, and dimensional stability following heat treatment. From a mechanical standpoint, OHNS round bars deliver high tensile and yield strength, dependable toughness, and outstanding machinability. These qualities make them ideal for applications requiring precision, durability, and reliable performance in high-stress and high-wear conditions.
| Grade | OHNS Round Bar |
|---|---|
| Specification | aaaaaaaaaaaaa |
| OHNS Square bar size | 4 to 100mm |
| OHNS Steel Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| OHNS High Speed Steel Hex Bar size | 2-100mm A/F |
| OHNS Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| OHNS Steel Rectangles Size | 33 x 30mm to 295 x 1066mm |
| OHNS High Speed Steel Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| OHNS Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| OHNS Steel Section | 3.0 to 12.0mm thickness |
| OHNS High Speed Steel Round bar size | Diameter: 3-~800mm |
| OHNS Billet Size | 1/2″ to 495mm Diameter |
| OHNS Steel Round Bar Standard Dimensions | Diameter / Height: |
| OHNS Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| OHNS Steel Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| OHNS High Speed Steel Technique | OHNS Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| OHNS Condition | Hardened & tempered, annealed |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Form | OHNS Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square Bar, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| Processing | Bar cutting to 650mm |
| Our OHNS Round bar conforms to NACE MR0175/ISO 15156 | |
| C | Si | Mn | P | S | Cr | W |
| 0.85-1.00 | 0.15-0.35 | 1.00-1.20 | 0.030max | 0.030max | 0.50-0.70 | 0.50-0.70 |
| Maximum Stress(N/mm²) | Yield Stress(N/mm²) | Elongation | Impact Strength (joule) | Hardness value (BHN) |
| 950 | 465 | 10% | 25 | 288 |
| STANDARDS | 100MnCrW4 | O1 | DIN 2510 | AISI O1 | AFNOR 90MWCV5 | JIS SKS3 |
OHNS (Oil Hardened Non-Shrinking) round bars are categorized by their diameter, which generally spans from 6 mm to 300 mm, and come in standard lengths that vary from 3 meters to 6 meters.
OHNS (Oil Hardened Non-Shrinking) rods come in various grades, including OHNS 1, OHNS 2, and OHNS 3, which differ in hardness, toughness, and their fitness for manufacturing and toolmaking applications.
Yes, laser welding is applicable to OHNS (Oil Hardened Non-Shrinking) bar, since it delivers precision, low heat input, and controlled weld quality, which makes it well-suited for hardenable tool steels.
**OHNS Round Bars** are suited to industries that demand tough, wear-resistant, and precision-built components. They’re commonly applied in gears, shafts, machine tools, and bearing parts. Within the automotive and engineering sectors, they act as key elements for precision parts, dies, and molds. Their remarkable hardness, wear resistance, and machinability likewise make them well-suited for high-performance industrial uses where dependability and long service life matter. OHNS round bars deliver steady performance, durability, and precision in demanding mechanical and engineering environments.
We supply items accompanied by both mill test certificates and third-party test certificates, guaranteeing the highest levels of quality and compliance.
Al Summan Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Dubai, UAE
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